Exposure
ID
MATIS.2025-03-05T05:17:17.957_1
Header ID
MATIS.2025-03-05T05:17:17.957
Date updated
2025-03-26 15:25:25 UTC+0000
Release date
2026-03-05 05:25:44 UTC+0000
UTC Start
2025-03-05 05:17:17.957
UTC End
2025-03-05 05:18:18.017
MJD Start
60739.22034672
MJD End
60739.22104185889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.005264
Ambient temperature (°C)
14.35
Seeing (arcsec)
0.76
Observation
ID
63559
Category
science
Program ID
114.273K.001
Program Title
FIRST APERTURE-SYNTHESIS IMAGING OF A CIRCUMSTELLAR ENVELOPE OF CEPHEID WITH VLTI/MATISSE
Program Type
Normal
PI / COI
HOCDÉ / MATTER / GALLENNE / NARDETTO / KERVELLA / PIETRZYNSKI / NARLOCH / WIELGORSKI / HAJDU / GIEREN / KAMINSKI / BAILLEUL / BRAS / AFANASIEV / MÉRAND
Target
ID
47357
Name
l_Car
RA
146.309115
DEC
-62.50784
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 23.3730 23.3790 154.0000 117.6000
A0-D0 29.4090 29.3830 97.4000 61.1000
A0-C1 22.5110 22.5150 132.7100 96.3560
B2-D0 25.5730 25.5340 47.7000 11.3000
B2-C1 8.5180 8.5050 47.6610 11.2540
D0-C1 17.0550 17.0290 227.7450 191.3380
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.273K.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60739.22034672
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME l_Car
RA 146.309115
DEC -62.50784
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0751997
HIERARCH ESO DET SEQ1 PERIOD 0.182
HIERARCH ESO DET NDIT 330
HIERARCH ESO ISS PBL12 START 23.373
HIERARCH ESO ISS PBL12 END 23.379
HIERARCH ESO ISS PBLA12 START 154.0
HIERARCH ESO ISS PBLA12 END 117.6
HIERARCH ESO ISS PBL13 START 29.409
HIERARCH ESO ISS PBL13 END 29.383
HIERARCH ESO ISS PBLA13 START 97.4
HIERARCH ESO ISS PBLA13 END 61.1
HIERARCH ESO ISS PBL14 START 22.511
HIERARCH ESO ISS PBL14 END 22.515
HIERARCH ESO ISS PBLA14 START 132.71
HIERARCH ESO ISS PBLA14 END 96.356
HIERARCH ESO ISS PBL23 START 25.573
HIERARCH ESO ISS PBL23 END 25.534
HIERARCH ESO ISS PBLA23 START 47.7
HIERARCH ESO ISS PBLA23 END 11.3
HIERARCH ESO ISS PBL24 START 8.518
HIERARCH ESO ISS PBL24 END 8.505
HIERARCH ESO ISS PBLA24 START 47.661
HIERARCH ESO ISS PBLA24 END 11.254
HIERARCH ESO ISS PBL34 START 17.055
HIERARCH ESO ISS PBL34 END 17.029
HIERARCH ESO ISS PBLA34 START 227.745
HIERARCH ESO ISS PBLA34 END 191.338
HIERARCH ESO ISS AMBI TAU0 START 0.005587
HIERARCH ESO ISS AMBI TAU0 END 0.004941
HIERARCH ESO ISS AMBI TEMP 14.35
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.81